The reaction of 2-alkyl benzimidazolium iodide with alkenyl magnesium haloride and the reaction of 2-alkenyl benzimidazolium iodide with Grignard reagent were studied, a new synthetic method for unsaturated ketone was provided.

• 对2位取代的苯并咪唑盐与烃基为不饱和取代基的格利雅试剂的加成-水解反应及由2位带不饱和取代基的苯并咪唑盐与烃基为饱和取代基的格利雅试剂的加成-水解反应进行了研究，提出了不饱和酮的新合成方法。